lrs1830 Sharp Microelectronics of the Americas, lrs1830 Datasheet - Page 36

• Manufacturer Part Number: lrs1830
• Description: Stacked Chip 256m X16 Boot Block Flash And 32m X16 Scram
• Manufacturer: Sharp Microelectronics of the Americas

7. Smartcombo RAM
7.1 Truth Table
7.1.1 Bus Operation
Notes:
Read
Output Disable
Write
Standby
Sleep
1. L = V
2. SC-CE
3. LB, UB Control Mode
LB
sharp
Smartcombo RAM
H
L
L
IL
2
, H = V
pin must be fixed to high level except sleep mode.
UB
H
L
L
IH
(1)
, X = H or L, High-Z = High impedance. Refer to the DC Characteristics.
DQ
D
D
High - Z
OUT
OUT
0
to DQ
Notes
/D
/D
2
IN
IN
7
SC-CE
H
X
X
L
DQ
D
D
High - Z
1
OUT
OUT
8
to DQ
SC-CE
/D
/D
L R S1 8 3 0
H
L
IN
IN
15
2
OE
H
H
X
L
WE
H
H
L
X
LB
X
X
H
X
(3)
(3)
UB
X
X
H
X
DQ
High - Z
High - Z
0
(3)
(3)
to Q
15
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